CVE-2026-4196 (GCVE-0-2026-4196)
Vulnerability from cvelistv5 – Published: 2026-03-15 23:32 – Updated: 2026-03-16 14:40
VLAI?
Title
D-Link DNS-1550-04 remote_backup.cgi cgi_set_rsync_server command injection
Summary
A vulnerability has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This impacts the function cgi_recovery/cgi_backup_now/cgi_set_schedule/cgi_set_rsync_server of the file /cgi-bin/remote_backup.cgi. The manipulation leads to command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Severity ?
Assigner
References
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Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| D-Link | DNS-120 |
Affected:
20260205
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Credits
pjq123 (VulDB User)
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\"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-340L\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-343\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-345\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-726-4\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-1100-4\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-1200-05\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}, {\"vendor\": \"D-Link\", \"product\": \"DNS-1550-04\", \"versions\": [{\"status\": \"affected\", \"version\": \"20260205\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-03-15T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-03-15T01:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-03-15T09:28:01.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/?id.351108\", \"name\": \"VDB-351108 | D-Link DNS-1550-04 remote_backup.cgi cgi_set_rsync_server command injection\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/?ctiid.351108\", \"name\": \"VDB-351108 | CTI Indicators (IOB, IOC, TTP, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.769855\", \"name\": \"Submit #769855 | D-Link DNS-120\\u3001DNR-202L\\u3001DNS-315L\\u3001DNS-320\\u3001DNS-320L\\u3001DNS-320LW\\u3001DNS-321\\u3001DNR-322L\\u3001DNS-323\\u3001DNS-325\\u3001DNS-326\\u3001DNS-327L\\u3001DNR-326\\u3001DNS-340L\\u3001DNS-343\\u3001 up to 20260205 Command Injection\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/?submit.769856\", \"name\": \"Submit #769856 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Command Injection (Duplicate)\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/?submit.769857\", \"name\": \"Submit #769857 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Command Injection (Duplicate)\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/?submit.769858\", \"name\": \"Submit #769858 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Command Injection (Duplicate)\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_98/98.md\", \"tags\": [\"related\"]}, {\"url\": \"https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_99/99.md\", \"tags\": [\"exploit\"]}, {\"url\": \"https://www.dlink.com/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This impacts the function cgi_recovery/cgi_backup_now/cgi_set_schedule/cgi_set_rsync_server of the file /cgi-bin/remote_backup.cgi. The manipulation leads to command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-77\", \"description\": \"Command Injection\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-74\", \"description\": \"Injection\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-03-15T23:32:11.114Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-4196\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-16T14:40:35.989Z\", \"dateReserved\": \"2026-03-15T08:22:51.610Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-03-15T23:32:11.114Z\", \"assignerShortName\": \"VulDB\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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